<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>hover伪类</title>
		<style>
			/*鼠标悬停效果*/
			#tip:hover{
				font-size: 99px;
				color: aqua;
				font-family: "华文行楷";
				/*光标的形状*/
				cursor: pointer;
			}
		</style>
	</head>
	<body>
		<div id="tip">疫情3年，大家都辛苦了</div>
	</body>
</html>